Add 20/80 and 9/50
20/80 + 9/50 is 43/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
20/80 = 20 × 5/80 × 5 = 100/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
9/50 = 9 × 8/50 × 8 = 72/400 - Add the two like fractions:
100/400 + 72/400 = 100 + 72/400 = 172/400 - 172/400 simplified gives 43/100
- So, 20/80 + 9/50 = 43/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/80+9/50 20/80+18/50 60/80+9/50 20/80+27/50 20/80+45/50 20/80+63/50